Posts tagged: registration

iPhone Captures 4MP Images

As we all know, iPhone camera is a 2 megapixel camera. How could it capture 4 megapixel images? A recent iPhone application, ClearCam, can help you. ClearCam provides iPhone the enhanced capturing mode, by taking 6 photos sequentially in a very short time (2.5 seconds). It then creates a sharper, 4 megapixel image with less noise by combining these 6 photos. 

The technique used here is called multi-frame image super-resolution in computer vision. The idea is to increase the resolution of a captured image by fusing information from multiple images or a short video.   
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